Add autodiscovery example

Signed-off-by: ChrsMark <chrismarkou92@gmail.com>

kubernetes/elastic-helm/values.yaml

@@ -35,13 +35,30 @@ opentelemetry-collector:
           name: elastic-secret
           key: elastic_apm_secret_token
   config:
+# k8s_observer section enables the k8s autodiscovery observer
+# With this enabled we can automatically enable service specific receivers
+# based on conditions
+#    extensions:
+#      k8s_observer:
+#        auth_type: serviceAccount
+#        node: ${env:K8S_NODE_NAME}
+#        observe_pods: true
     exporters:
       otlp/elastic:
         endpoint: ${ELASTIC_APM_ENDPOINT}
         compression: none
         headers:
           Authorization: Bearer ${ELASTIC_APM_SECRET_TOKEN}
     receivers:
+# receiver_creator enables service specific receivers
+# based on conditions
+#      receiver_creator:
+#        watch_observers: [ k8s_observer ]
+#        receivers:
+#          redis:
+#            rule: type == "port" && pod.name matches "redis"
+#            config:
+#              collection_interval: 2s
       otlp:
         protocols:
           grpc:
@@ -53,13 +70,17 @@ opentelemetry-collector:
               - https://*
             endpoint: ${MY_POD_IP}:4318
     service:
+# Enable extensions
+#      extensions: [k8s_observer]
       pipelines:
         traces:
           receivers: [otlp]
           processors: [batch]
           exporters: [otlp/elastic]
         metrics:
           receivers: [otlp]
+# Add the receiver_creator
+#          receivers: [otlp, receiver_creator]
           processors: [batch]
           exporters: [otlp/elastic]
         logs: